Northern Pacific steam locomotive 146 at Yacolt, Washington, circa 1920. Number 146 is a class S-1 built by Schenectady in 1899. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 157 at Yacolt, Washington, circa 1912. Number 157, a class S built by Schenectady in 1898, poses with her crew. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo, water tank

Northern Pacific steam locomotive 4 at Yacolt, Washington, circa 1910. Number 4, a Heisler, and number 7, a Lima Shay, are parked at Yacolt with other locomotives. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910. Number 7 is a Lima Shay. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 7 at Yacolt, Washington, circa 1910. Number 7 is a Lima Shay. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo